Crosstalk Bug

require(crosstalk)
require(plotly)
iris$other_factor <- sample(x = c("a", "b", "c"), size = nrow(iris), replace = T)
iris_shared <- SharedData$new(iris)
bscols(widths = c(6, 6, 6, 6),
  filter_select("species", "species", iris_shared, ~Species, multiple = T),
  filter_select("otherfactor", "other factor", iris_shared, ~other_factor, multiple = T),
  plot_ly(data = iris_shared, x = ~Sepal.Length, y = ~Sepal.Width, color = ~Species) %>%
  add_markers() %>%
    layout(dragmode = "lasso") %>%
  highlight(on = "plotly_selected", off = "plotly_deselect"),
plot_ly(data = iris_shared, x = ~Petal.Length, y = ~Petal.Width, color = ~Species) %>%
  add_markers() %>%
  layout(dragmode = "lasso") %>%
  highlight(on = "plotly_selected", off = "plotly_deselect")
)

species

other factor